var ImageCache = new Array();


// Preload an image into the browser's cache
function Image_preload (url)
{
	i = ImageCache.length
	ImageCache[i] = new Image();
	ImageCache[i].src = url;
}


// Replace image source with another url
function Image_replace(img, url)
{
	if ((document.images) && (parseInt(navigator.appVersion) >=4)) document.images[img].src = url
}